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script to analyze and plot data with pulox PO-300, rev. 6.6 #9

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script to analyze and plot data with pulox PO-300, rev. 6.6 #9

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8d673ee
script to analyze and plot data with pulox PO-300, rev. 6.6
wildi Jun 4, 2017
ba836ee
argparse command required
wildi Jun 5, 2017
dacf6da
improved display and summary
wildi Jun 11, 2017
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18 changes: 12 additions & 6 deletions cms50dplus/cms50dplus.py
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Original file line number Diff line number Diff line change
Expand Up @@ -111,7 +111,7 @@ def getDictData(self):
class RecordedDataPoint(object):
def __init__(self, time, data):
if data[0] & 0xfe != 0xf0 or data[1] & 0x80 == 0 or data[2] & 0x80 != 0:
print data
print ('DATA: {}, Invalid data packet.'.format(data))
raise ValueError("Invalid data packet.")

self.time = time
Expand Down Expand Up @@ -254,8 +254,12 @@ def getRecordedData(self, time):

length = (((lena & 0x7f) << 14) | ((lenb & 0x7f) << 7) | lenc) + 1

# wildi
if length % 3 != 0:
raise Exception("Length not divisible by 3!")
# raise Exception("Length not divisible by 3!")
print("Length not divisible by 3!: {}".format(length % 3 ))
length -=length % 3
print("new length: {}".format(length))

# Calculate length in hours, minutes, and seconds.
s = length / 3
Expand All @@ -276,7 +280,10 @@ def getRecordedData(self, time):
raise Exception("Timeout during download!")
packet[i%3] = byte
if i%3 == 2:
yield RecordedDataPoint(time, packet)
try:
yield RecordedDataPoint(time, packet)
except ValueError:
continue
time = time + datetime.timedelta(seconds=1)
packet = [0]*3

Expand Down Expand Up @@ -317,8 +324,8 @@ def dumpRecordedData(starttime, port, filename):
for recordedData in oximeter.getRecordedData(starttime):
writer.writerow(recordedData.getCsvData())
measurements += 1
sys.stdout.write("\rGot {0} measurements...".format(measurements))
sys.stdout.flush()
#wildi sys.stdout.write("\rGot {0} measurements...".format(measurements))
#sys.stdout.flush()

def valid_datetime(s):
try:
Expand All @@ -344,4 +351,3 @@ def valid_datetime(s):
print "Missing start time for RECORDED mode."

print ""
print "Done."
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